package cn.edu.scau.cmi.shishuai.exercise9;

public class TV {
	String name;
	public TV() {
	}
	public TV(String s) {
		name = s;
	}
	public String toString() {
		String oldStr = super.toString();
		return oldStr + "\n这是电视机，品牌是："+name;
	}
}
